Pirelli Scorpion SmarTube Tube - 29 x 2.2 - 2.6 42mm Presta Valve Compound-Addix Ultra Soft If using a 9-speed drivetrain

If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention)

4mm color black

Weight: Large set 384g  |  Small set 373g

Snow Temperature: -4°C to -10°C (24

Pirelli Scorpion SmarTube Tube - 29 x 2.2 - 2.6 42mm Presta Valve Compound-Addix Ultra Soft If using a 9-speed drivetrainPirelli Scorpion SmarTube Tube 29 x 2. 2 2. 6 42mm Presta Valve. Scorpion SmarTube is the mountain bike specific inner tube that blends the innovative features of TPU (Thermoplastic Polyurethane) a specific formulation for the riders that are looking for the best balance between protection against punctures weight and volume. SmarTube offers low weight and volume combined with a high level of reliability not available with an equivalent butyl tube The